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महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता ८ वी

Factorise. x3 + 64y3 - Mathematics

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प्रश्न

Factorise.

x+ 64y3

बेरीज
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उत्तर

x+ 64y3

= x3 + 43y3

= x3 + (4y)3

We know that,

a3 + b3 = (a + b)(a2 − ab + b2)

Here, a = x, b = 4y

∴ x3 + (4y)= (x + 4y)[x2 − x × 4y + (4y)2]

= (x + 4y)[x2 − 4xy + 42y2]

= (x + 4y)(x2 − 4xy + 16y2)

∴ x3 + 64y3 = (x + 4y)(x2 − 4xy + 16y2)

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पाठ 6: Factorisation of Algebraic expressions - Practice Set 6.2 [पृष्ठ ३१]

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बालभारती Mathematics [English] Standard 8 Maharashtra State Board
पाठ 6 Factorisation of Algebraic expressions
Practice Set 6.2 | Q 1 | पृष्ठ ३१
बालभारती Mathematics Integrated [English] Standard 8 Maharashtra State Board
पाठ 6 Factorisation of Algebraic expressions
Practice Set 6.2 | Q 1. (1) | पृष्ठ ४६
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